66398520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2153}}^1$

素因数の和:2424

約数の個数: 64

約数和(自身を含む): 200063520

約数和(自身を除く): 133665000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257, 514, 771, 1028, 1285, 1542, 2056, 2153, 2570, 3084, 3855, 4306, 5140, 6168, 6459, 7710, 8612, 10280, 10765, 12918, 15420, 17224, 21530, 25836, 30840, 32295, 43060, 51672, 64590, 86120, 129180, 258360, 553321, 1106642, 1659963, 2213284, 2766605, 3319926, 4426568, 5533210, 6639852, 8299815, 11066420, 13279704, 16599630, 22132840, 33199260, 66398520]

約数ペア:

[(1, 66398520), (2, 33199260), (3, 22132840), (4, 16599630), (5, 13279704), (6, 11066420), (8, 8299815), (10, 6639852), (12, 5533210), (15, 4426568), (20, 3319926), (24, 2766605), (30, 2213284), (40, 1659963), (60, 1106642), (120, 553321), (257, 258360), (514, 129180), (771, 86120), (1028, 64590), (1285, 51672), (1542, 43060), (2056, 32295), (2153, 30840), (2570, 25836), (3084, 21530), (3855, 17224), (4306, 15420), (5140, 12918), (6168, 10765), (6459, 10280), (7710, 8612)]